Table 1 Preoperative data of the studied gastrectomy groups
Variables | OG Group (n = 43) | LG Group (n = 41) | P value |
|---|---|---|---|
Age (mean ± standard deviation), years | 64 ± 10.7 | 62.29 ± 4.5 | 0.45 |
Male, no. (%) | 26 (60.5%) | 20 (48.8%) | 0.29 |
Comorbidity | |||
• No associated comorbidity | 19 (44.2%) | 20 (48.7%) | 0.19 |
• Hypertension | 9 (21%) | 10 (24.5%) | |
• Diabetes | 8 (18.5%) | 8 (19.5%) | |
• Bronchial asthma | 4 (9.3%) | 1 (2.5%) | |
• Others | 3 (7%) | 2 (4.8%) | |
Tumor site | |||
• Esophagogastric junction | 6 (14%) | 9 (22%) | 0.28 |
• Fundus | 2 (4.7%) | 4 (9.8%) | |
• Body | 21 (48.8%) | 11 (26.8%) | |
• Antrum | 12 (27.9%) | 13 (31.7%) | |
• Pylorus | 2 (4.7%) | 4 (9.8%) | |
Tumor differentiation | |||
• Well | 8 (18.6%) | 4 (9.8%) | 0.15 |
• Moderate | 10 (23.3%) | 15 (36.6%) | |
• Poor | 22 (51.2%) | 22 (53.7%) | |
Tumor stage | |||
• II | 15 (34.9%) | 15 (36.6%) | 0.52 |
• III | 28 (65.1%) | 26 (63.4%) | |
T stage | |||
• T2 | 12 (27.9%) | 10 (24.3%) | 0.56 |
• T3 | 17 (39.5%) | 20 (48.7%) | |
• T4a | 11 (47.2%) | 11 (26.8%) | |
• T4b | 3 (6.9%) | 0 (0.0%) | |
N stage | |||
• N0 | 12 (27.9%) | 21 (51.2%) | 0.14 |
• N1 | 9 (20.9%) | 9 (22%) | |
• N2 | 10 (23.3%) | 7 (17.1%) | |
• N3a | 8 (18.6%) | 4 (9.8%) | |
• N3b | 3 (7%) | 0 (0.0%) | |
Radiological response | |||
• CR | 17 (39.5%) | 10 (24.4%) | 0.002* |
• PD | 14 (32.6%) | 9 (22.0%) | |
• SD | 12 (27.9%) | 10 (24.4%) | |